Today’s Apps Gone Free: Brushstroke, Visual Math, Who Was and More

Transform photos into beautiful paintings, visualize functions, and get to know historical figures and pop icons with today’s collection of apps and games.

All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.

iPhone:

Color Query Pro ($1.99 → Free, 20.3 MB): Discover colors with Color Query. Designers, painters, and decorators.

Color Query puts you in the know. Just point your iPhone at a wall or other object and snap a photo. Color Query will analyze the photo to determine its name and properties like RGB, CMYK, HSB, and HEX. You’re also able to compare colors to five standard pallets, adjust colors, view variations, and save up to 15 samples.

Color Query Pro is available for free for a limited time. It has a 4.5-star rating with a total of 12 ratings.

Universal:

Brushstroke ($3.99 → Free, 61.2 MB): Transform your photos into beautiful paintings with just a touch with Brushtroke. Every iPhoneographer.

Brushstroke is all about simplicity. Pick a photo from your library or take a new one from within the app. Brushstroke will automatically transform your photo into a painting. You can then choose a different paint style, color, and canvas. Take some time and experiment, as there are a ton of combinations to create. When you’re all finished, sign your painting to personalize it and send it off via Instagram, Twitter, or Facebook. You’re also able to have your new work of art printed and shipped to your doorstep.

Brushstroke is available for free for a limited time. It has a 4.5-star rating with a total of 3506 ratings.

Visual Math 4D ($1.99 → Free, 47.4 MB): Visualize functions with VisualMath 4D. Students and engineers.

VisualMath 4D is a professional graphical calculator. It allows you to browse through a collection of built-in functions like trigonometrical, rounding, and sum and product or you can compute your own. Functions can be drawn in 2-D, 3-D, and 4-D all with a time variable. You’re also able to save your functions, rotate and zoom in on the graph in three dimensions, and display multiple graphs at once.

Visual Math 4D is available for free for a limited time. It has a 4.5-star rating with a total of 180 ratings.

Who Was? Adventure ($0.99 → Free, 310.7 MB): Find out how well you know your historical figures and pop icons with Who Was? Adventure. Trivia fans everywhere.

Who Was? Adventure has a rather unique mechanic for a trivia game. The heads of famous figures will drop down into the screen. It’s up to you to tap on the person described at the bottom as quickly as possible. Each correct selection will remove the head from the screen, freeing up valuable space. If you guess incorrectly, the head you tapped on will remain and more and more will fill the screen. Power-ups and other objects will also populate the screen. The game includes 85 levels, an arcade mode, and more than 4,500 questions.

Who Was? Adventure is available for free for a limited time. It has a 4-star rating with a total of 38 ratings.

That concludes today’s issue of Apps Gone Free. If you like staying on top of these daily deals, don’t forget to check out our free AppsGoneFree app. It provides all the deals each day, and even an archive of past deals that are still active.

Developers:

If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:

It must have at least a three-star average rating at the time it goes free.
The app must not have been free numerous times (3+) over the last six months.
The free version of your app must not include ads.

To submit an app, simply send a request to tyler@appadvice.com with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.